Search found 480 matches

by XavSnap
Sat Feb 24, 2018 4:29 pm
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 343

Re: Memotech HRG: ROM mirroring!

:ugeek:

Yes, Gammaray !
It in the 0-8k memory room...
by XavSnap
Sat Feb 24, 2018 4:14 pm
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 343

Re: Memotech HRG: ROM mirroring!

Hi, To use the UDG, you had to export the Basic ROM on the extension bus. Like the cartridge player, cf. Mageco. http://zx81.ordi5.free.fr/vtr/IMAGES/vtr2.gif On the second release, the Basic Rom stay in the ZX81's case, but... http://zx81.ordi5.free.fr/vtr/IMAGES/vtrV201r.gif We need to reconstruct...
by XavSnap
Fri Feb 23, 2018 5:21 pm
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 343

Re: Memotech HRG: ROM mirroring!

@sirmorris
Thanks a lot.

@Siggi
Never read the fucking French manual !!!
by XavSnap
Fri Feb 23, 2018 2:29 am
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 343

Re: Memotech HRG: ROM mirroring!

On the XuR, I buffered the first segment (0-&400), but the binary reader don't display it! :? This segment is a RAM, but filled at the reset... not, by the "LDIR" from the Memotech ROM. (peek<&400=ROM source if h2000>PC>h2800..) All Pokes are sent to the buffer... how replace the main rom. The HRG R...
by XavSnap
Fri Feb 23, 2018 1:06 am
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 343

Re: Memotech HRG: ROM mirroring!

:lol: @siggi, Yes, but the rom seem to be "protected" or reloaded anyway. // Memotech Hi-res board has 1k of RAM available at address 8192 // permanently and overlaid the ROM at address 0 when z80.i is odd All POKE in the 0-400 memory room are stored At 2000... POKE 276,CODE"a" equal POKE 276+8193,C...
by XavSnap
Thu Feb 22, 2018 12:23 am
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 343

Memotech HRG: ROM mirroring!

Hi, I target the code to reinit the Memotech HRG: ;------------------------------------ ;-Basic sub-routine entry. - ;+----------------------------------+ ; Lb4082 ; <- USR Basic Enty. ;+----------------------------------+ ORG $4082 ; [@16514/@h4082] Lb4082: ; <- USR Basic Enty. LD HL,$0000 LD DE,$0...
by XavSnap
Sat Feb 17, 2018 4:42 am
Forum: Welcome Area
Topic: ANDRE*** is back!
Replies: 13
Views: 373

Re: ANDRE*** is back!

Yo, welcome to our new young ZX81's fan! :lol: André *** a newbie ? http://zx81.ordi5.free.fr/andre/ http://zx81.de/andre/ ...The best Basic coder on Zx81 in the wold ! :ugeek: All the best! ( SWTPc: http://www.i-programmer.info/history/9-machines/110-the-swtp-effect.html?start=2 Flex/UniFlex emulat...
by XavSnap
Tue Feb 13, 2018 7:16 pm
Forum: Hardware
Topic: Improving Timex/Sinclair Tape Loading
Replies: 114
Views: 5780

Re: Improving Timex/Sinclair Tape Loading

:?
Windows...
http://dskcenter.free.fr/TO7/tutok7/

(note: a "ctrl+left click" can redraw a beep, directly on the wav on the top board of the window)
by XavSnap
Sun Jan 28, 2018 8:05 pm
Forum: ZX BASIC
Topic: Think I Need help with a Book/Listing Error?
Replies: 3
Views: 184

Re: Think I Need help with a Book/Listing Error?

Hi,
Yes, the Djvu format usually insert such problems...
Or it's a bad typewriter operator!
:?
by XavSnap
Fri Jan 05, 2018 7:37 pm
Forum: Development
Topic: Fast PLOT routine
Replies: 7
Views: 358

Re: Fast PLOT routine

Hi, Yes, Shaun_B ... the internal "PLOT" routine in the ROM is :mrgreen: ... It slow down all ASM code how using this ROM routine. :x Big letters: http://www.hebdogiciel.free.fr/hd-roms/zx81/motlepluslong.zip http://zx81.ordi5.free.fr/programmes/Big%20Letters.zip ...??? Is there a code to fill a par...